%% You should probably cite rfc9167 instead of this I-D.
@techreport{ietf-regext-epp-registry-maintenance-06,
    number =    {draft-ietf-regext-epp-registry-maintenance-06},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-regext-epp-registry-maintenance/06/},
    author =    {Tobias Sattler and Roger Carney and Jody Kolker},
    title =     {{Registry Maintenance Notifications for the Extensible Provisioning Protocol (EPP)}},
    pagetotal = 21,
    year =      2020,
    month =     dec,
    day =       8,
    abstract =  {This document describes an Extensible Provision Protocol (EPP) mapping for registry's maintenance notifications.},
}